ENABLE WINDOWS
SET NAME "DISPLAY/"
SET FORMAT "99"

DECLARE indx, stockMsg, outMsg

stockMsg = "Take one down, pass it around,"
indx = 99
outMsg = ""

WHILE (indx > 0) DO
   outMsg = drink(indx)
LITERAL
$outMsg___________ on the wall, $outMsg_______________!
Take one down, pass it around,
$ENDLITERAL
  
   outMsg = drink(indx - 1)

LITERAL
$out